OpenTechnical

OT-2026-000019850

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000019850) never changes.

Identity and time

Publication numberOT-2026-000019850 · never reused
Internal UUID01a0ae6f-1fb6-79bf-82eb-23ef7e4d7928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019850
StatusPUBLIC

Content hashes

Canonical text7599740d4a64b721191469d78dc5b84dfab19ac88181028c531a503062fdb160
Markdownd36b7ee6534c880b7100a6608d38c205bfc0ce2a659ba18285d088c88a642535
PDF
Publication page7ef2c41a02e4e4d41f29b2f8f2a24a47cc6ff2b16958235988406eed6af62692
Manifest333cab27796d41131b63d8f3cd7614bcd68f7022e55c0cbe90975a7e5ec720c4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNrMC+g7fgyYH3I00tzYhSofAst9AAUOUFKFBvwDKa6piEbJo+3aQQoBh44T3Nqb1dd9qJAZPY3Y4saEvQRrnCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:02.956821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019850
observed 7ef2c41a02e4e4d41f29b2f8f2a24a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.939334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019850/manifest.json
observed 333cab27796d41131b63d8f3cd7614bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.918796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019850/publication.md
observed d36b7ee6534c880b7100a6608d38c205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.902137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019850/publication.txt
observed 7599740d4a64b721191469d78dc5b84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.